Distortion compensation apparatus and method

Distortion compensation apparatus and method

  • CN 101,753,105 A
  • Filed: 12/18/2009
  • Published: 06/23/2010
  • Est. Priority Date: 12/18/2008
  • Status: Active Application
First Claim
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1. device for compensation of distortion, this device for compensation of distortion comprises:

  • The distortion compensation unit, it is carried out distortion compensation by the progression computing to transmitting and handles;

    Coefficient update unit, it upgrades the progression operation coefficient group that is used for described progression computing based on the feedback signal and described the transmitting of the output that transmits of output after the output of described distortion compensation unit being carried out the power amplification processing;

    Initial coefficients memory, its storage can be used as the progression operation coefficient group that is used for the initial value that coefficient update that described coefficient update unit carries out handles;

    AndThe power fluctuation detecting unit, it detects the described power fluctuation that transmits, and, when detecting power fluctuation, from described initial coefficients memory, read described progression operation coefficient group and described progression operation coefficient group offered described coefficient update unit.

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